Unseen letters written by the young Princess Elizabeth to her grandmother during the Second World War have been revealed, showing her early stoicism and determination to help her nation defeat Hitler . The Princess , who lived at Windsor Castle with her sister Princess Margaret to escape the heaviest bombardment of the Blitz, told her grandmother Queen Mary : “The news of the war has been very bad recently but we will never give in.” The letter, read aloud by an actress as part of a BBC documentary celebrating the Platinum Jubilee , captures the teenage Princess ’s feelings as...